CVE-2026-56734
Zammad: Avatar Image URL Server-Side Request Forwarding
CVSS score
5.3
EPSS probability
%0.4
Risk score
0.0
Published
24 d ago
Vulnerability Timeline (Change History)
CVE-2026-56734 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 29.09.2026 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N |
| 25.09.2026 | CISA Coordinator | SSVC Risk Re-assessment | SSVC / KEV | exploitation: none | exploitation: none |
| 25.09.2026 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2026-56734 |
Similar Vulnerabilities
8.7
CVE-2026-102489 Actively exploitedUndisclosed RCE in Zammad v6.3 and higher
Workaround Public Exploits:3EPSS %1
9.1
7.5
CVE-2026-34723Improper access control in Zammad
Patch status unknownEPSS %1
8.7
CVE-2026-56725Zammad: Denial of Service via OTRS Import Controller
Patch status unknownEPSS %0
7.2
CVE-2026-34724Code injection in Zammad
Patch status unknown Public Exploits:1EPSS %0
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-56734"